Compositions: ceramic – Ceramic compositions – Aluminum compound containing
Patent
1981-12-28
1983-04-26
Poer, James
Compositions: ceramic
Ceramic compositions
Aluminum compound containing
501154, 501155, C04B 3500
Patent
active
043813488
ABSTRACT:
A low cost beautiful blue colored artificial stone stock is obtained by using a high carbon or low carbon slag formed at the time of preparing ferrochromium, as it is or after incorporated with an expensive addition. The stone stock has a composition of 40-70% by weight of SiO.sub.2, 0.1-5% by weight of a low grade chromium oxide and the balance of CaO, MgO and Al.sub.2 O.sub.3.
Ishiguro Hirohisa
Itakura Kensei
Kamatani Toshio
Yamagishi Kazuo
Nippon Kokan Kabushiki Kaisha
Poer James
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